Dr. Irwin Redlener, who is the director of the National Center for Disaster Preparedness at Columbia University and has worked on school violence issues, said there were steps that could be taken to try to limit school violence.

Today, researchers at the New York Stem Cell Foundation and CUMC announced the success of a new technique to transfer the nucleus of one human egg cell into another.

New findings in Critical Care: severe sepsis and neurological dysfunction are independently associated with an increased future risk of dementia.

New insights published in the journal Immunity (Cell Press) by a team led by CUMC's Sankar Ghosh and Alan Sher of the National Institute of Allergy and Infectious Diseases.